Cutting insert and drilling tool
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United States of America Patent
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Mar 16, 2021
Grant Date -
Nov 30, 2017
app pub date -
Nov 27, 2015
filing date -
Dec 19, 2014
priority date (Note) -
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Abstract
A cutting insert for a drilling tool is disclosed includes an insert body having a longitudinal direction. A first axial side extends across the longitudinal direction on opposite sides of the insert body. The insert body has a first cutting edge extending along a rim portion at an intersection between a first rake face and the first axial side. The first axial side includes a first relief face and a second relief face. The first and second relief faces form obtuse angles with an imaginary centre plane of the insert body.
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